Journal of Investing
Economic theory and empirical evidence support the idea that investors should, over the long term, be compensated for bearing risk. Thus, any discussion of tail risk should rationally start from the premise that it’s something that contributes to a portfolio’s expected returns.
In this paper we demonstrate that several active strategies that are straightforward to implement in portfolios not only deliver superior long-term average returns but also outperform direct hedges in prolonged market drawdowns. Importantly for investors, these indirect hedging strategies can be combined, and a portfolio of them may offer investors a more robust way to mitigate their sensitivity to the worst drawdowns in equity markets. In contrast, we find direct hedging is costly and only delivers value when combined with the ability to time short-term market crashes and the ability to unwind those hedges very shortly after those events. We question investors’ ability to do either of those.
Capital market risk includes tail risk. While preparing for and embracing risk is one element of investing, a second element is to capture risk in the most efficient way possible. More efficient portfolios make it “easier” to bear risk if they can be constructed to be better behaved, with more-consistent risk levels and, ideally, fewer and smaller tails. Compared with direct approaches to hedging portfolio tail risk, the indirect approaches described in this study have offered a more efficient way of working your tail off. Directly buying portfolio insurance through options, while risk-reducing, does not lead to more-efficient risk taking.
The information contained herein is only as current as of the date indicated, and may be superseded by subsequent market events or for other reasons. The views and opinions expressed herein are those of the author and do not necessarily reflect the views of AQR Capital Management, LLC, its affiliates or its employees.
This information is not intended to, and does not relate specifically to any investment strategy or product that AQR offers. It is being provided merely to provide a framework to assist in the implementation of an investor’s own analysis and an investor’s own view on the topic discussed herein. Past performance is not a guarantee of future results.